./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_label06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem14_label06.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3473c8783df5bdddbef6a640b5d1d3c6e3d1a05c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 23:26:55,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 23:26:55,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 23:26:55,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 23:26:55,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 23:26:55,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 23:26:55,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 23:26:55,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 23:26:55,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 23:26:55,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 23:26:55,328 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 23:26:55,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 23:26:55,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 23:26:55,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 23:26:55,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 23:26:55,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 23:26:55,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 23:26:55,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 23:26:55,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 23:26:55,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 23:26:55,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 23:26:55,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 23:26:55,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 23:26:55,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 23:26:55,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 23:26:55,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 23:26:55,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 23:26:55,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 23:26:55,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 23:26:55,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 23:26:55,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 23:26:55,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 23:26:55,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 23:26:55,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 23:26:55,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 23:26:55,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 23:26:55,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 23:26:55,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 23:26:55,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 23:26:55,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 23:26:55,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 23:26:55,360 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 23:26:55,404 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 23:26:55,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 23:26:55,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 23:26:55,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 23:26:55,409 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 23:26:55,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 23:26:55,409 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 23:26:55,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 23:26:55,409 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 23:26:55,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 23:26:55,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 23:26:55,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 23:26:55,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 23:26:55,412 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 23:26:55,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 23:26:55,412 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 23:26:55,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 23:26:55,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 23:26:55,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 23:26:55,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 23:26:55,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 23:26:55,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:26:55,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 23:26:55,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 23:26:55,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 23:26:55,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 23:26:55,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 23:26:55,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 23:26:55,417 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 23:26:55,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3473c8783df5bdddbef6a640b5d1d3c6e3d1a05c [2020-10-19 23:26:55,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 23:26:55,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 23:26:55,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 23:26:55,693 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 23:26:55,694 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 23:26:55,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label06.c [2020-10-19 23:26:55,753 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/942f38221/b951dc23d5f34562a166152f962bb232/FLAGbe676347a [2020-10-19 23:26:56,359 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 23:26:56,360 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label06.c [2020-10-19 23:26:56,375 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/942f38221/b951dc23d5f34562a166152f962bb232/FLAGbe676347a [2020-10-19 23:26:56,639 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/942f38221/b951dc23d5f34562a166152f962bb232 [2020-10-19 23:26:56,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 23:26:56,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 23:26:56,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 23:26:56,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 23:26:56,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 23:26:56,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:26:56" (1/1) ... [2020-10-19 23:26:56,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb77812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:56, skipping insertion in model container [2020-10-19 23:26:56,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:26:56" (1/1) ... [2020-10-19 23:26:56,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 23:26:56,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 23:26:57,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:26:57,244 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 23:26:57,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:26:57,414 INFO L208 MainTranslator]: Completed translation [2020-10-19 23:26:57,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:57 WrapperNode [2020-10-19 23:26:57,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 23:26:57,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 23:26:57,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 23:26:57,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 23:26:57,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:57" (1/1) ... [2020-10-19 23:26:57,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:57" (1/1) ... [2020-10-19 23:26:57,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 23:26:57,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 23:26:57,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 23:26:57,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 23:26:57,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:57" (1/1) ... [2020-10-19 23:26:57,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:57" (1/1) ... [2020-10-19 23:26:57,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:57" (1/1) ... [2020-10-19 23:26:57,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:57" (1/1) ... [2020-10-19 23:26:57,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:57" (1/1) ... [2020-10-19 23:26:57,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:57" (1/1) ... [2020-10-19 23:26:57,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:57" (1/1) ... [2020-10-19 23:26:57,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 23:26:57,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 23:26:57,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 23:26:57,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 23:26:57,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:26:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 23:26:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 23:26:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 23:26:57,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 23:26:59,535 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 23:26:59,535 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 23:26:59,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:26:59 BoogieIcfgContainer [2020-10-19 23:26:59,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 23:26:59,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 23:26:59,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 23:26:59,548 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 23:26:59,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 11:26:56" (1/3) ... [2020-10-19 23:26:59,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aedc6fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:26:59, skipping insertion in model container [2020-10-19 23:26:59,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:57" (2/3) ... [2020-10-19 23:26:59,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aedc6fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:26:59, skipping insertion in model container [2020-10-19 23:26:59,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:26:59" (3/3) ... [2020-10-19 23:26:59,553 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label06.c [2020-10-19 23:26:59,565 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 23:26:59,573 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 23:26:59,588 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 23:26:59,616 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 23:26:59,616 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 23:26:59,616 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 23:26:59,617 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 23:26:59,617 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 23:26:59,617 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 23:26:59,617 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 23:26:59,618 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 23:26:59,645 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-10-19 23:26:59,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-19 23:26:59,655 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:26:59,656 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:26:59,657 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:26:59,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:26:59,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1818267785, now seen corresponding path program 1 times [2020-10-19 23:26:59,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:26:59,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378875766] [2020-10-19 23:26:59,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:26:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:00,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:27:00,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378875766] [2020-10-19 23:27:00,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:27:00,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:27:00,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163536403] [2020-10-19 23:27:00,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:27:00,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:27:00,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:27:00,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:27:00,137 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 4 states. [2020-10-19 23:27:02,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:27:02,265 INFO L93 Difference]: Finished difference Result 853 states and 1561 transitions. [2020-10-19 23:27:02,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:27:02,268 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2020-10-19 23:27:02,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:27:02,287 INFO L225 Difference]: With dead ends: 853 [2020-10-19 23:27:02,288 INFO L226 Difference]: Without dead ends: 538 [2020-10-19 23:27:02,292 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:27:02,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2020-10-19 23:27:02,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2020-10-19 23:27:02,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-10-19 23:27:02,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 778 transitions. [2020-10-19 23:27:02,381 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 778 transitions. Word has length 61 [2020-10-19 23:27:02,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:27:02,382 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 778 transitions. [2020-10-19 23:27:02,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:27:02,382 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 778 transitions. [2020-10-19 23:27:02,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-19 23:27:02,388 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:27:02,388 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:27:02,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 23:27:02,389 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:27:02,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:27:02,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1918222167, now seen corresponding path program 1 times [2020-10-19 23:27:02,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:27:02,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068623563] [2020-10-19 23:27:02,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:27:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:02,598 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:27:02,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068623563] [2020-10-19 23:27:02,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:27:02,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:27:02,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318468069] [2020-10-19 23:27:02,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:27:02,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:27:02,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:27:02,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:27:02,603 INFO L87 Difference]: Start difference. First operand 538 states and 778 transitions. Second operand 3 states. [2020-10-19 23:27:03,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:27:03,516 INFO L93 Difference]: Finished difference Result 1074 states and 1656 transitions. [2020-10-19 23:27:03,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:27:03,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-10-19 23:27:03,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:27:03,524 INFO L225 Difference]: With dead ends: 1074 [2020-10-19 23:27:03,525 INFO L226 Difference]: Without dead ends: 716 [2020-10-19 23:27:03,530 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:27:03,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-10-19 23:27:03,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2020-10-19 23:27:03,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-10-19 23:27:03,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 968 transitions. [2020-10-19 23:27:03,593 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 968 transitions. Word has length 127 [2020-10-19 23:27:03,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:27:03,595 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 968 transitions. [2020-10-19 23:27:03,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:27:03,596 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 968 transitions. [2020-10-19 23:27:03,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-19 23:27:03,606 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:27:03,606 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:27:03,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 23:27:03,607 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:27:03,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:27:03,608 INFO L82 PathProgramCache]: Analyzing trace with hash 2042840762, now seen corresponding path program 1 times [2020-10-19 23:27:03,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:27:03,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835431307] [2020-10-19 23:27:03,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:27:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:03,838 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:27:03,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835431307] [2020-10-19 23:27:03,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:27:03,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:27:03,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16296188] [2020-10-19 23:27:03,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:27:03,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:27:03,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:27:03,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:27:03,842 INFO L87 Difference]: Start difference. First operand 716 states and 968 transitions. Second operand 4 states. [2020-10-19 23:27:04,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:27:04,947 INFO L93 Difference]: Finished difference Result 1637 states and 2268 transitions. [2020-10-19 23:27:04,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:27:04,948 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2020-10-19 23:27:04,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:27:04,955 INFO L225 Difference]: With dead ends: 1637 [2020-10-19 23:27:04,956 INFO L226 Difference]: Without dead ends: 1072 [2020-10-19 23:27:04,957 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:27:04,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-10-19 23:27:04,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 894. [2020-10-19 23:27:05,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-10-19 23:27:05,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1047 transitions. [2020-10-19 23:27:05,013 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1047 transitions. Word has length 141 [2020-10-19 23:27:05,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:27:05,016 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1047 transitions. [2020-10-19 23:27:05,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:27:05,016 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1047 transitions. [2020-10-19 23:27:05,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-10-19 23:27:05,035 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:27:05,036 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:27:05,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 23:27:05,039 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:27:05,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:27:05,040 INFO L82 PathProgramCache]: Analyzing trace with hash -60960639, now seen corresponding path program 1 times [2020-10-19 23:27:05,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:27:05,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596416325] [2020-10-19 23:27:05,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:27:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:05,498 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-10-19 23:27:05,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596416325] [2020-10-19 23:27:05,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:27:05,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:27:05,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262368473] [2020-10-19 23:27:05,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:27:05,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:27:05,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:27:05,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:27:05,501 INFO L87 Difference]: Start difference. First operand 894 states and 1047 transitions. Second operand 3 states. [2020-10-19 23:27:06,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:27:06,369 INFO L93 Difference]: Finished difference Result 2142 states and 2597 transitions. [2020-10-19 23:27:06,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:27:06,369 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 341 [2020-10-19 23:27:06,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:27:06,377 INFO L225 Difference]: With dead ends: 2142 [2020-10-19 23:27:06,378 INFO L226 Difference]: Without dead ends: 1428 [2020-10-19 23:27:06,379 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:27:06,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2020-10-19 23:27:06,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1250. [2020-10-19 23:27:06,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-10-19 23:27:06,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1442 transitions. [2020-10-19 23:27:06,407 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1442 transitions. Word has length 341 [2020-10-19 23:27:06,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:27:06,408 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1442 transitions. [2020-10-19 23:27:06,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:27:06,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1442 transitions. [2020-10-19 23:27:06,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2020-10-19 23:27:06,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:27:06,414 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:27:06,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 23:27:06,415 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:27:06,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:27:06,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1374353769, now seen corresponding path program 1 times [2020-10-19 23:27:06,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:27:06,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900810320] [2020-10-19 23:27:06,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:27:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:06,817 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-10-19 23:27:06,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900810320] [2020-10-19 23:27:06,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:27:06,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:27:06,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050374881] [2020-10-19 23:27:06,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:27:06,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:27:06,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:27:06,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:27:06,821 INFO L87 Difference]: Start difference. First operand 1250 states and 1442 transitions. Second operand 4 states. [2020-10-19 23:27:07,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:27:07,821 INFO L93 Difference]: Finished difference Result 2527 states and 2948 transitions. [2020-10-19 23:27:07,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:27:07,822 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 352 [2020-10-19 23:27:07,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:27:07,833 INFO L225 Difference]: With dead ends: 2527 [2020-10-19 23:27:07,833 INFO L226 Difference]: Without dead ends: 1428 [2020-10-19 23:27:07,836 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:27:07,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2020-10-19 23:27:07,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1250. [2020-10-19 23:27:07,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-10-19 23:27:07,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1381 transitions. [2020-10-19 23:27:07,878 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1381 transitions. Word has length 352 [2020-10-19 23:27:07,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:27:07,883 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1381 transitions. [2020-10-19 23:27:07,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:27:07,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1381 transitions. [2020-10-19 23:27:07,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2020-10-19 23:27:07,896 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:27:07,897 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:27:07,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 23:27:07,897 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:27:07,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:27:07,898 INFO L82 PathProgramCache]: Analyzing trace with hash -959486651, now seen corresponding path program 1 times [2020-10-19 23:27:07,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:27:07,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815188478] [2020-10-19 23:27:07,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:27:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:08,626 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 336 proven. 23 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-10-19 23:27:08,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815188478] [2020-10-19 23:27:08,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125792792] [2020-10-19 23:27:08,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:27:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:08,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:27:08,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:27:09,055 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2020-10-19 23:27:09,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:27:09,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 23:27:09,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045151719] [2020-10-19 23:27:09,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:27:09,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:27:09,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:27:09,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:27:09,059 INFO L87 Difference]: Start difference. First operand 1250 states and 1381 transitions. Second operand 3 states. [2020-10-19 23:27:09,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:27:09,835 INFO L93 Difference]: Finished difference Result 3032 states and 3402 transitions. [2020-10-19 23:27:09,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:27:09,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 365 [2020-10-19 23:27:09,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:27:09,850 INFO L225 Difference]: With dead ends: 3032 [2020-10-19 23:27:09,851 INFO L226 Difference]: Without dead ends: 1962 [2020-10-19 23:27:09,853 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:27:09,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-10-19 23:27:09,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1784. [2020-10-19 23:27:09,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1784 states. [2020-10-19 23:27:09,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 1955 transitions. [2020-10-19 23:27:09,902 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 1955 transitions. Word has length 365 [2020-10-19 23:27:09,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:27:09,903 INFO L481 AbstractCegarLoop]: Abstraction has 1784 states and 1955 transitions. [2020-10-19 23:27:09,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:27:09,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 1955 transitions. [2020-10-19 23:27:09,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2020-10-19 23:27:09,913 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:27:09,914 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:27:10,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-19 23:27:10,129 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:27:10,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:27:10,129 INFO L82 PathProgramCache]: Analyzing trace with hash -640012849, now seen corresponding path program 1 times [2020-10-19 23:27:10,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:27:10,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103101231] [2020-10-19 23:27:10,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:27:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:11,053 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 601 proven. 23 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2020-10-19 23:27:11,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103101231] [2020-10-19 23:27:11,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260359625] [2020-10-19 23:27:11,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:27:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:11,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:27:11,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:27:11,457 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2020-10-19 23:27:11,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:27:11,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 23:27:11,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61460856] [2020-10-19 23:27:11,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:27:11,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:27:11,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:27:11,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:27:11,463 INFO L87 Difference]: Start difference. First operand 1784 states and 1955 transitions. Second operand 3 states. [2020-10-19 23:27:12,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:27:12,345 INFO L93 Difference]: Finished difference Result 4278 states and 4742 transitions. [2020-10-19 23:27:12,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:27:12,346 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 499 [2020-10-19 23:27:12,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:27:12,361 INFO L225 Difference]: With dead ends: 4278 [2020-10-19 23:27:12,362 INFO L226 Difference]: Without dead ends: 2674 [2020-10-19 23:27:12,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 498 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:27:12,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-10-19 23:27:12,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496. [2020-10-19 23:27:12,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2020-10-19 23:27:12,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2737 transitions. [2020-10-19 23:27:12,432 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2737 transitions. Word has length 499 [2020-10-19 23:27:12,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:27:12,433 INFO L481 AbstractCegarLoop]: Abstraction has 2496 states and 2737 transitions. [2020-10-19 23:27:12,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:27:12,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2737 transitions. [2020-10-19 23:27:12,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2020-10-19 23:27:12,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:27:12,449 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:27:12,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:27:12,662 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:27:12,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:27:12,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1004089658, now seen corresponding path program 1 times [2020-10-19 23:27:12,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:27:12,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778234146] [2020-10-19 23:27:12,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:27:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:13,279 INFO L134 CoverageAnalysis]: Checked inductivity of 891 backedges. 642 proven. 23 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2020-10-19 23:27:13,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778234146] [2020-10-19 23:27:13,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951479244] [2020-10-19 23:27:13,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:27:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:13,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:27:13,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:27:13,602 INFO L134 CoverageAnalysis]: Checked inductivity of 891 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2020-10-19 23:27:13,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:27:13,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 23:27:13,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582636543] [2020-10-19 23:27:13,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:27:13,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:27:13,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:27:13,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:27:13,610 INFO L87 Difference]: Start difference. First operand 2496 states and 2737 transitions. Second operand 3 states. [2020-10-19 23:27:14,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:27:14,425 INFO L93 Difference]: Finished difference Result 5700 states and 6328 transitions. [2020-10-19 23:27:14,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:27:14,426 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 529 [2020-10-19 23:27:14,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:27:14,427 INFO L225 Difference]: With dead ends: 5700 [2020-10-19 23:27:14,427 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 23:27:14,433 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 528 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:27:14,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 23:27:14,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 23:27:14,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 23:27:14,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 23:27:14,434 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 529 [2020-10-19 23:27:14,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:27:14,435 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 23:27:14,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:27:14,435 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 23:27:14,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 23:27:14,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:27:14,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 23:27:14,817 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-19 23:27:14,817 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-19 23:27:14,817 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-19 23:27:14,817 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-19 23:27:14,817 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-19 23:27:14,818 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-19 23:27:14,818 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-19 23:27:14,818 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,818 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,818 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,818 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-19 23:27:14,818 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-19 23:27:14,818 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-19 23:27:14,818 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-19 23:27:14,818 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-19 23:27:14,819 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-19 23:27:14,819 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-19 23:27:14,819 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-19 23:27:14,819 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,823 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,823 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,823 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-19 23:27:14,823 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-19 23:27:14,824 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-19 23:27:14,824 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-19 23:27:14,824 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-19 23:27:14,824 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-19 23:27:14,824 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-19 23:27:14,824 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-19 23:27:14,824 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,824 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,824 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,824 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-19 23:27:14,825 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-19 23:27:14,825 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-19 23:27:14,825 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-19 23:27:14,825 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-19 23:27:14,825 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-19 23:27:14,825 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-19 23:27:14,825 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-19 23:27:14,825 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-19 23:27:14,825 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,826 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,826 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,826 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-19 23:27:14,826 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-19 23:27:14,826 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-19 23:27:14,826 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-19 23:27:14,826 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-19 23:27:14,826 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-19 23:27:14,826 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-19 23:27:14,827 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,827 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,827 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,827 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-19 23:27:14,827 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-19 23:27:14,827 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-19 23:27:14,827 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-19 23:27:14,827 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-19 23:27:14,827 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-19 23:27:14,827 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-19 23:27:14,828 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-19 23:27:14,828 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-19 23:27:14,828 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,828 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,828 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,828 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-19 23:27:14,828 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-19 23:27:14,828 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-19 23:27:14,828 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-19 23:27:14,829 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-19 23:27:14,829 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-19 23:27:14,829 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-19 23:27:14,829 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-19 23:27:14,829 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,829 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,831 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,831 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-19 23:27:14,831 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-19 23:27:14,831 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-19 23:27:14,831 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-19 23:27:14,831 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-19 23:27:14,831 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-19 23:27:14,832 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 23:27:14,832 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-19 23:27:14,832 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-19 23:27:14,832 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,832 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,832 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,832 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-19 23:27:14,832 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-19 23:27:14,832 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-19 23:27:14,832 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-19 23:27:14,832 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-19 23:27:14,833 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-19 23:27:14,833 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-19 23:27:14,833 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-19 23:27:14,833 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,833 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,833 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,833 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-19 23:27:14,833 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-19 23:27:14,833 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-19 23:27:14,833 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-19 23:27:14,833 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-19 23:27:14,834 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-19 23:27:14,834 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-19 23:27:14,834 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-19 23:27:14,834 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,834 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,834 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,834 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 23:27:14,834 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 23:27:14,834 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-19 23:27:14,835 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-19 23:27:14,835 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-19 23:27:14,835 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-19 23:27:14,835 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-19 23:27:14,835 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-19 23:27:14,835 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-19 23:27:14,835 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-19 23:27:14,835 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,835 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,836 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,836 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-19 23:27:14,836 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-19 23:27:14,836 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-19 23:27:14,836 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-19 23:27:14,836 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-19 23:27:14,836 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-19 23:27:14,836 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 23:27:14,836 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-19 23:27:14,836 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-19 23:27:14,837 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,837 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,837 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,837 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-19 23:27:14,837 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-19 23:27:14,837 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-19 23:27:14,837 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-19 23:27:14,837 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-19 23:27:14,837 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-19 23:27:14,837 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-19 23:27:14,838 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-19 23:27:14,838 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,838 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,838 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-19 23:27:14,838 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-19 23:27:14,838 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-19 23:27:14,838 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-19 23:27:14,838 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-19 23:27:14,838 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-19 23:27:14,838 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-19 23:27:14,839 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-19 23:27:14,839 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,839 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,839 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-19 23:27:14,839 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-19 23:27:14,839 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-19 23:27:14,839 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-19 23:27:14,839 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-19 23:27:14,839 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-19 23:27:14,840 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,840 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,840 INFO L270 CegarLoopResult]: At program point L873(lines 22 874) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 8)) (.cse1 (= ~a24~0 1))) (or (and .cse0 (<= ~a21~0 6)) (and .cse0 (<= 10 ~a21~0)) (and (<= (+ ~a12~0 49) 0) .cse1) (and (< 11 ~a12~0) .cse0) (and (<= ~a21~0 7) .cse1) (and (not (= 5 ~a15~0)) .cse1))) [2020-10-19 23:27:14,840 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-19 23:27:14,840 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-19 23:27:14,840 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-19 23:27:14,841 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-19 23:27:14,841 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-19 23:27:14,841 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-19 23:27:14,841 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-19 23:27:14,841 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-19 23:27:14,841 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,841 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,841 INFO L277 CegarLoopResult]: At program point L876(lines 876 892) the Hoare annotation is: true [2020-10-19 23:27:14,841 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-19 23:27:14,842 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-19 23:27:14,842 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-19 23:27:14,842 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-19 23:27:14,842 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-19 23:27:14,842 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-19 23:27:14,842 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-19 23:27:14,842 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 23:27:14,842 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,842 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,843 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-19 23:27:14,843 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-19 23:27:14,843 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-19 23:27:14,843 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-19 23:27:14,843 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-19 23:27:14,843 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-19 23:27:14,843 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,843 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,843 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-19 23:27:14,844 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,844 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-19 23:27:14,844 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 8)) (.cse1 (= ~a24~0 1))) (or (and .cse0 (<= ~a21~0 6)) (and .cse0 (<= 10 ~a21~0)) (and (<= (+ ~a12~0 49) 0) .cse1) (and (< 11 ~a12~0) .cse0) (and (<= ~a21~0 7) .cse1) (and (not (= 5 ~a15~0)) .cse1))) [2020-10-19 23:27:14,844 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-19 23:27:14,844 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-19 23:27:14,844 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-19 23:27:14,844 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-19 23:27:14,844 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-19 23:27:14,845 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-19 23:27:14,845 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-19 23:27:14,845 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-19 23:27:14,845 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-19 23:27:14,845 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,845 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,845 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,845 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-19 23:27:14,845 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-19 23:27:14,845 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-19 23:27:14,846 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-19 23:27:14,846 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-19 23:27:14,846 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 23:27:14,846 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-19 23:27:14,846 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-19 23:27:14,846 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-19 23:27:14,846 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-19 23:27:14,846 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,846 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,847 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,847 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-19 23:27:14,847 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-19 23:27:14,847 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-19 23:27:14,848 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-19 23:27:14,848 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-19 23:27:14,849 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-19 23:27:14,849 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-19 23:27:14,849 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-19 23:27:14,849 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,849 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,849 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,849 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-19 23:27:14,849 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-19 23:27:14,849 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-19 23:27:14,850 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-19 23:27:14,850 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-19 23:27:14,850 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-19 23:27:14,850 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-19 23:27:14,850 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-19 23:27:14,850 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-19 23:27:14,850 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,850 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,850 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:14,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 11:27:14 BoogieIcfgContainer [2020-10-19 23:27:14,886 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 23:27:14,886 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 23:27:14,886 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 23:27:14,887 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 23:27:14,887 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:26:59" (3/4) ... [2020-10-19 23:27:14,891 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 23:27:14,924 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 23:27:14,926 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 23:27:14,927 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:27:14,929 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:27:15,157 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 23:27:15,157 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 23:27:15,159 INFO L168 Benchmark]: Toolchain (without parser) took 18514.29 ms. Allocated memory was 36.2 MB in the beginning and 289.9 MB in the end (delta: 253.8 MB). Free memory was 8.1 MB in the beginning and 84.3 MB in the end (delta: -76.3 MB). Peak memory consumption was 177.5 MB. Max. memory is 14.3 GB. [2020-10-19 23:27:15,160 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 35.7 MB. Free memory was 14.7 MB in the beginning and 14.6 MB in the end (delta: 73.7 kB). Peak memory consumption was 73.7 kB. Max. memory is 14.3 GB. [2020-10-19 23:27:15,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 765.71 ms. Allocated memory was 36.2 MB in the beginning and 48.2 MB in the end (delta: 12.1 MB). Free memory was 7.2 MB in the beginning and 19.6 MB in the end (delta: -12.4 MB). Peak memory consumption was 8.7 MB. Max. memory is 14.3 GB. [2020-10-19 23:27:15,161 INFO L168 Benchmark]: Boogie Procedure Inliner took 202.55 ms. Allocated memory was 48.2 MB in the beginning and 48.8 MB in the end (delta: 524.3 kB). Free memory was 19.3 MB in the beginning and 24.8 MB in the end (delta: -5.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 14.3 GB. [2020-10-19 23:27:15,161 INFO L168 Benchmark]: Boogie Preprocessor took 141.10 ms. Allocated memory is still 48.8 MB. Free memory was 24.8 MB in the beginning and 18.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 14.3 GB. [2020-10-19 23:27:15,162 INFO L168 Benchmark]: RCFGBuilder took 1776.04 ms. Allocated memory was 48.8 MB in the beginning and 76.5 MB in the end (delta: 27.8 MB). Free memory was 18.1 MB in the beginning and 25.2 MB in the end (delta: -7.0 MB). Peak memory consumption was 32.6 MB. Max. memory is 14.3 GB. [2020-10-19 23:27:15,162 INFO L168 Benchmark]: TraceAbstraction took 15342.43 ms. Allocated memory was 76.5 MB in the beginning and 289.9 MB in the end (delta: 213.4 MB). Free memory was 52.2 MB in the beginning and 110.1 MB in the end (delta: -57.9 MB). Peak memory consumption was 155.5 MB. Max. memory is 14.3 GB. [2020-10-19 23:27:15,162 INFO L168 Benchmark]: Witness Printer took 271.02 ms. Allocated memory is still 289.9 MB. Free memory was 110.1 MB in the beginning and 84.3 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 14.3 GB. [2020-10-19 23:27:15,165 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 35.7 MB. Free memory was 14.7 MB in the beginning and 14.6 MB in the end (delta: 73.7 kB). Peak memory consumption was 73.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 765.71 ms. Allocated memory was 36.2 MB in the beginning and 48.2 MB in the end (delta: 12.1 MB). Free memory was 7.2 MB in the beginning and 19.6 MB in the end (delta: -12.4 MB). Peak memory consumption was 8.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 202.55 ms. Allocated memory was 48.2 MB in the beginning and 48.8 MB in the end (delta: 524.3 kB). Free memory was 19.3 MB in the beginning and 24.8 MB in the end (delta: -5.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 141.10 ms. Allocated memory is still 48.8 MB. Free memory was 24.8 MB in the beginning and 18.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1776.04 ms. Allocated memory was 48.8 MB in the beginning and 76.5 MB in the end (delta: 27.8 MB). Free memory was 18.1 MB in the beginning and 25.2 MB in the end (delta: -7.0 MB). Peak memory consumption was 32.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 15342.43 ms. Allocated memory was 76.5 MB in the beginning and 289.9 MB in the end (delta: 213.4 MB). Free memory was 52.2 MB in the beginning and 110.1 MB in the end (delta: -57.9 MB). Peak memory consumption was 155.5 MB. Max. memory is 14.3 GB. * Witness Printer took 271.02 ms. Allocated memory is still 289.9 MB. Free memory was 110.1 MB in the beginning and 84.3 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (((((a15 <= 8 && a21 <= 6) || (a15 <= 8 && 10 <= a21)) || (a12 + 49 <= 0 && a24 == 1)) || (11 < a12 && a15 <= 8)) || (a21 <= 7 && a24 == 1)) || (!(5 == a15) && a24 == 1) - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((((a15 <= 8 && a21 <= 6) || (a15 <= 8 && 10 <= a21)) || (a12 + 49 <= 0 && a24 == 1)) || (11 < a12 && a15 <= 8)) || (a21 <= 7 && a24 == 1)) || (!(5 == a15) && a24 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.0s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1084 SDtfs, 1343 SDslu, 57 SDs, 0 SdLazy, 4851 SolverSat, 882 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1417 GetRequests, 1396 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2496occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 890 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 48 NumberOfFragments, 93 HoareAnnotationTreeSize, 3 FomulaSimplifications, 798 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 48 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 3808 NumberOfCodeBlocks, 3808 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 3797 ConstructedInterpolants, 0 QuantifiedInterpolants, 5873925 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1835 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 5195/5264 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...